CN214707388U - Servo motor with heat dissipation safety cover - Google Patents

Abstract

The application discloses servo motor with heat dissipation safety cover, including casing, rotor, stator, encoder, outlet box, cooling body and filtering mechanism, cooling body includes water tank, fin, micro-water pump, fan and water pipe, water tank inner wall fixed surface connects micro-water pump, micro-water pump output fixed connection water pipe one end, the water pipe encircles fin outer wall surface, inner wall surface front end fixed connection fin, fin outer wall fixed surface connects the stator, inner wall surface tail end fixed connection fan, outer wall fixed connection water tank. Through installing fan, dust screen and dampproof course in the position that link up with the casing at the backshell, be convenient for filter the inside air of casing that insufflates, prevent that dust and moisture from getting into the inside electrical components of motor of the inside corruption of casing, cause the potential safety hazard of motor life shortening or cause the short circuit.

Description

Servo motor with heat dissipation safety cover

Technical Field

The application relates to the field of servo motors, in particular to a servo motor with a heat dissipation protection cover.

Background

The servo motor is an engine which controls mechanical elements to operate in a servo system, is an auxiliary motor indirect speed changing device, can control speed and position accuracy accurately, and can convert voltage signals into torque and rotating speed to drive a control object. Compared with a single asynchronous motor, the servo motor has the three remarkable characteristics of large starting torque, wider operation range, no autorotation phenomenon and the like.

Present servo motor casing and rear end cap lug connection's mode, such structure causes stator winding to produce a large amount of heats in continuous work, because the heat transfer principle leads to the temperature of encoder to rise, the encoder is under the operational environment of high temperature, damage encoder itself easily, and influence its precision, also can cause servo motor to scrap, reduce its life, and the cold wind that the fan insufflates lacks the filtration, lead to inside dust and moisture wind entering motor thereupon, cause the potential safety hazard of motor life to shorten or cause the short circuit. Therefore, a servo motor with a heat dissipation protection cover is provided to solve the above problems.

Disclosure of Invention

The servo motor with the heat dissipation protection cover is provided in the embodiment and used for solving the problems that the servo motor in the prior art generates a large amount of heat, the temperature of an encoder is increased due to a heat transfer principle and cold air blown by a fan is not filtered.

According to one aspect of the application, a servo motor with a heat dissipation protection cover is provided, and comprises a shell, a rotor, a stator, an encoder, an outlet box, a cooling mechanism and a filtering mechanism;

the cooling mechanism comprises a water tank, a radiating fin, a miniature water pump, a fan and a water pipe, wherein the surface of the inner wall of the water tank is fixedly connected with the miniature water pump, the output end of the miniature water pump is fixedly connected with one end of the water pipe, the water pipe surrounds the surface of the outer wall of the radiating fin, the front end of the surface of the inner wall of the shell is fixedly connected with the radiating fin, the surface of the outer wall of the radiating fin is fixedly connected with the stator, the tail end of the surface of the inner wall of the shell is fixedly connected with the fan, and the outer wall of the shell is fixedly connected with the water tank;

the filtering mechanism comprises a rear shell, a dust screen and a moisture-proof layer, the surface of the outer wall of the shell is fixedly connected with the rear shell through a bolt, the surface of the outer wall of the rear shell is fixedly connected with the dust screen, and the rear shell is fixedly connected with the moisture-proof layer at the through position of the shell.

Furthermore, the surface of the outer wall of the shell is fixedly connected with a shaft seal, the middle part of the shaft seal is rotationally connected with a rotor, and the surface of the outer wall of the rotor is rotationally connected with the middle part of the first bearing and the middle part of the second bearing.

Further, the surface of the outer wall of the rotor is rotatably connected with the stator, the surface of the outer wall of the rotor is rotatably connected with the middle part of the band-type brake, and the surface of the outer wall of the band-type brake is fixedly connected with the encoder.

Furthermore, the surface of the outer wall of the bottom end of the shell is fixedly connected with the base, and the surface of the outer wall of the shell is fixedly connected with the wire outlet box.

Further, the surface of the outer wall of the shell is fixedly connected with the connecting slide block, the surface of the outer wall of the slide block is connected with the connecting block in a sliding mode, the inner wall of the connecting block is fixedly connected with one end of the spring, one end of the spring is fixedly connected with one end of the slide block, and the surface of the outer wall of the connecting block is fixedly connected with the protective shell.

Through the above embodiment of the application, a shell, a rotor, a stator, an encoder, a wire outlet box, a cooling mechanism and a filtering mechanism are adopted, the cooling mechanism comprises a water tank, a radiating fin, a micro water pump, a fan and a water pipe, the surface of the inner wall of the water tank is fixedly connected with the micro water pump, the output end of the micro water pump is fixedly connected with one end of the water pipe, the water pipe surrounds the surface of the outer wall of the radiating fin, the front end of the surface of the inner wall of the shell is fixedly connected with the radiating fin, the surface of the outer wall of the radiating fin is fixedly connected with the stator, the tail end of the surface of the inner wall of the shell is fixedly connected with the fan, the surface of the outer wall of the shell is fixedly connected with the water tank, the filtering mechanism comprises a rear shell, a dustproof net and a damp-proof layer, the surface of the outer wall of the shell is fixedly connected with the rear shell through part of the shell, and the damp-proof layer is used for solving the problem that the servo motor radiates slowly, the effect that the servo motor can prevent dust and moisture from entering the shell to corrode electrical elements inside the motor through the dustproof net and the moisture-proof layer is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic side view of an embodiment of the present application;

fig. 4 is a schematic view of a portion a of fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. the motor comprises a shell, 2, a rotor, 3, a shaft seal, 4, a first bearing, 5, a stator, 6, a radiating fin, 7, a water pipe, 8, a second bearing, 9, a band-type brake, 10, an encoder, 11, an outlet box, 12, a micro water pump, 13, a protective shell, 14, a fan, 15, a rear shell, 16, a dustproof net, 17, a dampproof layer, 18, a base, 19, a connecting block, 20, a spring, 21, a sliding block, 22 and a water tank.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The heat sink in the present embodiment can be applied to various cooling mechanisms, for example, the following cooling mechanism-equipped servo motor housing is provided in the present embodiment, and the heat sink in the present embodiment can be used to mount the following cooling mechanism.

This cooling body includes: servo motor casing, servo motor casing's inside is provided with the stator, the inside of stator is provided with the rotor, the inside of rotor is provided with the servo motor pivot, the outside of servo motor pivot is provided with the servo motor end cover, the inside of servo motor end cover is provided with the bearing, one side of stator is provided with stator winding, the inside of stator is provided with the servo motor flabellum, servo motor casing's outside is provided with explosion-proof terminal box, the outside of explosion-proof terminal box is provided with the power lead-out wire, the outside of servo motor pivot is provided with the axle sleeve, one side of servo motor pivot is provided with the encoder, the outside of encoder is provided with the encoder safety cover, the outside of axle sleeve is provided with the fan.

The inside of the shell is provided with a shell, the inside of the shell is provided with an axial through hole, the inside of the shell is provided with a water-cooling communication channel, the inside of the communication channel is provided with an inner shell, the inside of the inner shell is provided with a pipe connecting flange, the inside of the pipe connecting flange is provided with a solid cylinder, the inside of the shell is provided with a groove, the inside of the groove is provided with a sealing ring, the inside of the shell is provided with a cooling water channel, the problem that the temperature rise of a coder affects the precision of a servo motor is effectively solved, the inside of the shell of the servo motor is provided with a radiating fin, the inside of the radiating fin is provided with a radiating frame, one side of the shell of the servo motor is provided with a bearing cover, one side of the shell of the servo motor is provided with a clamping block, the inside of the bearing cover is provided with a fixing screw, the inside temperature of the motor in the running process is effectively reduced by the arranged radiating fin and the radiating frame, the service life of the device is prolonged.

Of course, the heat sink of the present embodiment can also be used for a cooling mechanism mounted on other structures. The details are not repeated here, and the cooling mechanism of the embodiment of the present application is described below.

Referring to fig. 1-4, a servo motor with a heat dissipation protective cover includes a housing 1, a rotor 2, a stator 5, an encoder 10, an outlet box 11, a cooling mechanism and a filtering mechanism;

the cooling mechanism comprises a water tank 22, a radiating fin 6, a miniature water pump 12, a fan 14 and a water pipe 7, wherein the inner wall surface of the water tank 22 is fixedly connected with the miniature water pump 12, the output end of the miniature water pump 12 is fixedly connected with one end of the water pipe 7, the water pipe 7 surrounds the outer wall surface of the radiating fin 6, the front end of the inner wall surface of the shell 1 is fixedly connected with the radiating fin 6, the outer wall surface of the radiating fin 6 is fixedly connected with a stator 5, the tail end of the inner wall surface of the shell 1 is fixedly connected with the fan 14, and the outer wall of the shell 1 is fixedly connected with the water tank 22;

the filtering mechanism comprises a rear shell 15, a dust screen 16 and a moisture-proof layer 17, the outer wall surface of the shell 1 is fixedly connected with the rear shell 15 through bolts, the outer wall surface of the rear shell 15 is fixedly connected with the dust screen 16, the moisture-proof layer 17 is fixedly connected at the through position of the rear shell 15 and the shell 1, and the fan 14, the dust screen 16 and the moisture-proof layer 17 are arranged at the through position of the rear shell 15 and the shell 1, so that air blown into the shell 1 can be conveniently filtered, dust and moisture are prevented from entering the interior of the shell 1 to corrode electrical components inside the motor, and the service life of the motor is shortened or the potential safety hazard of short circuit is caused;

the surface of the outer wall of the shell 1 is fixedly connected with a shaft seal 3, the middle part of the shaft seal 3 is rotatably connected with a rotor 2, the surface of the outer wall of the rotor 2 is rotatably connected with the middle parts of a first bearing 4 and a second bearing 8, the surface of the outer wall of the rotor 2 is rotatably connected with a stator 5, the surface of the outer wall of the rotor 2 is rotatably connected with the middle part of a band-type brake 9, the surface of the outer wall of the band-type brake 9 is fixedly connected with an encoder 10, a rotating magnetic field is generated in the stator 5 by controlling a wire outlet box 11 to supply power to the stator 5, the rotor 2 rotates along the direction of the rotating magnetic field, the surface of the outer wall at the bottom end of the shell 1 is fixedly connected with a base 18, the surface of the outer wall of the shell 1 is fixedly connected with the wire outlet box 11, the surface of the outer wall of the shell 1 is fixedly connected with a sliding block 21, the surface of the outer wall of the sliding block 21 is slidably connected with a connecting block 19, the inner wall of the connecting block 19 is fixedly connected with one end of a spring 20, and one end of the sliding block 21 is fixedly connected with one end of the spring 20, the outer wall surface of the connecting block 19 is fixedly connected with the protective shell 13, the spring 20 is extruded through the sliding block 21, and the acting force is buffered through the elasticity of the spring 20.

When the utility model is used, the stator 5 is powered by controlling the outlet box 11, so that a rotating magnetic field is generated in the stator 5, the rotor 2 rotates along the direction of the rotating magnetic field, the heat generated by the rotation of the rotor 2 along the stator 5 is sucked out by installing the radiating fins 6 on the outer wall of the stator 5, the water in the water tank 22 is pumped by the water pump, the heat in the radiating fins 6 is absorbed, the temperature rise of the encoder 10 caused by the heat transfer principle is avoided, the encoder 10 easily damages the encoder 10 itself under the high-temperature working environment, the air blown in the shell 1 is conveniently filtered by installing the fan 14, the dustproof net 16 and the dampproof layer 17 at the through part between the shell 15 and the shell 1, the dust and the moisture are prevented from entering the electrical components inside the motor inside the shell 1, the service life is shortened or the potential safety hazard of short circuit is caused, and the cold air coming in and out of the fan 14 can also cool the water pipe 7 to absorb the heat of the radiating fins 6, by fixedly connecting the connecting block 19, the spring 20 and the slider 21 to the outer wall of the housing 1, when the outer wall is struck, the spring 20 is pressed by the slider 21, and the acting force is buffered by the elasticity of the spring 20.

The application has the advantages that:

1. the fan, the dustproof net and the moisture-proof layer are arranged at the through part of the rear shell and the shell, so that air blown into the shell is conveniently filtered, and dust and moisture are prevented from entering the shell to corrode electrical elements inside the motor, so that the service life of the motor is shortened or the potential safety hazard of short circuit is avoided;

2. through at stator outer wall installation fin, rotate the heat suction that produces with the rotor along the stator, the inside water of water pump discharge water tank of rethread water pump adsorbs the inside heat of fin, avoids the heat transfer principle to lead to the temperature rise of encoder, and the encoder damages encoder itself easily under the operational environment of high temperature.

The fan adopts JYC3010 type and its related matched power supply and circuit.

The micro water pump adopts CPS-05 model and related matched power supply and circuit.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (5)

1. The utility model provides a servo motor with heat dissipation safety cover which characterized in that: the device comprises a shell (1), a rotor (2), a stator (5), an encoder (10), an outlet box (11), a cooling mechanism and a filtering mechanism;

the cooling mechanism comprises a water tank (22), cooling fins (6), a micro water pump (12), a fan (14) and a water pipe (7), wherein the inner wall surface of the water tank (22) is fixedly connected with the micro water pump (12), the output end of the micro water pump (12) is fixedly connected with one end of the water pipe (7), the water pipe (7) surrounds the outer wall surface of the cooling fins (6), the front end of the inner wall surface of the shell (1) is fixedly connected with the cooling fins (6), the outer wall surface of the cooling fins (6) is fixedly connected with the stator (5), the tail end of the inner wall surface of the shell (1) is fixedly connected with the fan (14), and the outer wall of the shell (1) is fixedly connected with the water tank (22);

the filtering mechanism comprises a rear shell (15), a dust screen (16) and a moisture-proof layer (17), the outer wall surface of the shell (1) is fixedly connected with the rear shell (15) through a bolt, the outer wall surface of the rear shell (15) is fixedly connected with the dust screen (16), and the rear shell (15) is communicated with the shell (1) to form the moisture-proof layer (17).

2. A servomotor with a heat-dissipating protection cover according to claim 1, wherein: the surface of the outer wall of the shell (1) is fixedly connected with a shaft seal (3), the middle of the shaft seal (3) is rotatably connected with a rotor (2), and the surface of the outer wall of the rotor (2) is rotatably connected with the middle of a first bearing (4) and the middle of a second bearing (8).

3. A servomotor with a heat-dissipating protection cover according to claim 1, wherein: rotor (2) outer wall surface rotates connects stator (5), rotor (2) outer wall surface rotates connects band-type brake (9) middle part, band-type brake (9) outer wall fixed surface connects encoder (10).

4. A servomotor with a heat-dissipating protection cover according to claim 1, wherein: the surface of the outer wall of the bottom end of the shell (1) is fixedly connected with a base (18), and the surface of the outer wall of the shell (1) is fixedly connected with an outlet box (11).

5. A servomotor with a heat-dissipating protection cover according to claim 1, wherein: casing (1) outer wall fixed surface connects connecting block (21), slider (21) outer wall surface sliding connection connecting block (19), connecting block (19) inner wall fixed connection spring (20) one end, spring (20) one end fixed connection slider (21) one end, connecting block (19) outer wall fixed surface connects protective housing (13).

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